BC477 – TBC

Part Number:

BC477

Manufacturer:

TBC

Date Code:

RoHS:

MSL:

COO:

Description:

PNP Bipolar Transistor, 80 V, Single Element, TO‑18 Package

Datasheet:

Spotted a problem with product information? – let us know

ORDER NOW

Stock Quantity: 138

Selling Unit: Each

Quantity	Price (ex VAT)
1+	0.44
10+
50+
100+

138 in stock

Contact us for volume pricing

Same day shipping if ordered before 14.00 GMT
6 month warranty on all stock items
All stock held and shipped from our UK warehouse
Worldwide shipping available, contact us for a quotation
We can ship on your DHL or UPS account if required
Any import duties or taxes are the responsibility of the receiver

Product Details:

Overview

The BC477 is a versatile PNP bipolar junction transistor designed for general-purpose audio amplification and switching tasks. Its key operational characteristic lies in its robust 80V collector-emitter breakdown voltage, enabling it to handle moderate voltage swings common in audio circuits. A critical design consideration when utilizing the BC477 is managing its 300mW power dissipation; exceeding this limit can lead to thermal runaway, compromising reliability in continuous operation, especially in compact PCB layouts where heat dissipation is a challenge.

Key Features

PNP Silicon Epitaxial Planar Transistor
80V Collector-Emitter Voltage (V_CEO)
150mA Continuous Collector Current (I_C)
Minimum DC Current Gain (h_FE) of 160
300mW Power Dissipation (P_D)
TO-18 3-Pin Through-Hole Package

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

Low-power audio pre-amplification stages
General-purpose signal switching in control circuits
Voltage regulation circuits with moderate current demands
Driver stages for small signal relays or LEDs